diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinTargetConfigurator.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinTargetConfigurator.kt
index d24c599e32f..51d7b067317 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinTargetConfigurator.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinTargetConfigurator.kt
@@ -30,7 +30,6 @@ import org.jetbrains.kotlin.gradle.dsl.kotlinExtension
 import org.jetbrains.kotlin.gradle.plugin.mpp.*
 import org.jetbrains.kotlin.gradle.targets.js.KotlinJsTarget
 import org.jetbrains.kotlin.gradle.targets.js.KotlinJsTarget.Companion.IR
-import org.jetbrains.kotlin.gradle.targets.js.KotlinJsTarget.Companion.LEGACY
 import org.jetbrains.kotlin.gradle.targets.js.ir.KotlinJsIrTarget
 import org.jetbrains.kotlin.gradle.utils.lowerCamelCaseName
 import java.util.concurrent.Callable
@@ -449,10 +448,6 @@ internal fun Project.usageByName(usageName: String): Usage =
 fun Configuration.usesPlatformOf(target: KotlinTarget): Configuration {
     attributes.attribute(KotlinPlatformType.attribute, target.platformType)
 
-    if (target is KotlinJsTarget) {
-        attributes.attribute(KotlinJsTarget.jsModeAttribute, LEGACY)
-    }
-
     if (target is KotlinJsIrTarget) {
         attributes.attribute(KotlinJsTarget.jsModeAttribute, IR)
     }
diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/KotlinJsTarget.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/KotlinJsTarget.kt
index 2f4b2643882..8509959db6c 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/KotlinJsTarget.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/KotlinJsTarget.kt
@@ -155,7 +155,6 @@ constructor(
             String::class.java
         )
 
-        const val LEGACY = "legacy"
         const val IR = "ir"
 
         fun setupAttributesMatchingStrategy(attributesSchema: AttributesSchema) {